Minerals identify

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Lulzacite

Phosphate mineral

Lulzacite is a strontium -containing phosphate mineral with the chemical formula Sr2Fe2+(Fe2+,Mg)2Al4(PO4)4(OH)10.

The mineral was first described in 2000 from quartzite deposits (47°42′50″N 1°29′20″W / 47.71389°N 1.48889°W / 47.71389; -1.48889 ) at Saint-Aubin-des-Châteaux , Loire-Atlantique, France, and is named after Y. Lulzac , a French geologist who discovered the mineral. In this deposit, lulzacite occurs within quartz veinlets at quartzite–limestone contacts. Other minerals found in the veinlets include apatite

Lulzacite crystallizes in the triclinic system with P1 space group. It is isostructural with jamesite (Pb2Zn(Fe2+,Zn)2Fe3+4(AsO4)4(OH)10).

Identification

Color of mineral

Grey
Yellow
Green

Mohs scale ( mineral hardness )

5.5

Density ( specific gravity )

1.654
1.674
1.684

Luster ( interacts light )

Vitreous

Crystal ( diaphaneity )

Triclinic